Gummed cloth.



E. G. LANG. GUMMED ULOTH. APPLICATION FILED SEPT. 17, 190e.

3 woe who@ Patented Jan. 5, 1909.

*UNITED rkrENT onirica.

EDWIN G. LANG, OF NEW YORK, N.- Y., ASSAIGN'OR TO LANG & GROS MANUFGTURING CO., A

^ CORPORATION OF NEW YORK.

Gummi) cLoTH.

Specification of Letters Patent.

Patented Jan. 5, 1909.

vented certain new and useful Im rovements in Gummed Cloth, of which t e following is a specification, reference being had to the accompanying drawings, forming part hereof.

In book binding, making of stationery, and in manufacturing of paper boxes, considerable gummed fabric is employed. In order to obtain sufficient lightness and nexibility of the material it has been found advantageous to use a comparatively cheap or inexpensive grade of open-meshed fabric, such as cambric and the like. It has been customary in the production of gummed Cloth to lightly coat such an open-meshed or loosely-textured Woven fabric by applying lightly to it a strong lue to one side thereof and cause that glue so ution to adhere merely to the threads of the fabric without filling the interstices. Gummed cloth or fabrics-made in this way have but very little body and are adapted only for certain special uses.

' rlhe obj ect of my invention is to produce a gummedfabric in an economical and expeditious manner, which will be light and ilexible enough to permit it to be used in the manufacture of stationery, books and the like, at the same time provide considerable stiffness or rigidity by means of which the field or scope of use to which gummed fabrics may be applied may be extended beyond that which the open-meshed or loosely-textured lightly coated above described fabric is capable of.

My invention therefore broadly consists in a process and the article produced-thereby.

The preferred manner of carrying out my process consists in providing an openmeshed or loosely-textured woven fabric, such as light cambric, with a filling, then applying a rough surface coating or sizing havmg comparatively little adhesive qualities and drying the same so as to produce a rough surface, then applying to the` rough surface a iiuid coating of a glossy and adhesive com-. pound, then drying the fabric so treated ,and m the article of manufacture resulting from thepractice of that process.

Reference is had to the accompanying' drawings diagrammatically illustrating the said process, and the article of manufacture Aproduced thereby.

In the` drawing z-Figure 1 diagrammatically represents a piece of open meshed or loosely-textured woven fabric provided with a filling. Fig. 2 diagrammatically re resents the fabric after the first rough surface coating has been applied. Fig. 3 diagrammatically re resents the complete fabric having the finis g coating applied to the rough coating. Fig'. 4 is a section,enlarged, showing the completed fabric and Fig. 5 side and plan views, respectively, diagrammatically showing the foundation fabric. y

Similar reference characters indicate corresponding parts throughout the several views.

The fabric as illustrated in the drawing is verymuch exaggerated both as to structure and thickness, but this is rendered necessary for the purpose of definite description.l

In making my improved gummed fabric, I-use (preferably) an open-meshed or loosely-l textured fabric such as diagrammatically shown at 1 in Fig. 5, which I call the foundation fabric. The uses to which the completed cloth is to be put to will, to a greater or lesser extent determine the weight and openness of the fabric, but I have found that when my improved cloth is used in the manufacture of end stays and the like, for use in making paper boxes, that cambric of No. 64 (square) weave, so known commercially, may be advantageously employed. The fabric having been selected according to the requirements of its ultimate use, I next fill or weight the s ame. This may be done 1n any of the well-known ways, such as by making a clay-mixture mixed with la suitable dye for giving it color, then applying the filling by running the fabric through the mixture, or in any other desired way, and

assing the fabric through suitable rollers, heated or otherwise, as desired,` to cause the filling 2 to become a component part of the fabric itself, as illustrated in Fig. 1 in which the cloth thus far completed is shown. The filling may be applied to one or both sides, or may be applied so that it 1s merely embedded in the mterstices of the fabric without extending beyond one or the other of its sides or not, as desired, -but .I prefer that the fabric be substantially filled, so

ing it.

f face.

'dering r6 thickness afndfto give a high polish to thel that the desired iexibility arid body be retained in ,the fabric without unduly adding weight or stiffness thereto.

One of' the objects vof my invention is preferably to avoid having the adhesive material with which one face of the cloth is provided pass throu h the filled fabric on to the opposite side. yn @der to revent this I give the face of the fabric to w 'ch the adhesive material is applied a polishinany desired way, as during the rolling step vabove 'referred to. But although I prefer to polish this surface, my invention may be carried out under certain conditions without The next step is to apply to t e fabric thus prepared, a holding or binding coating or surface. A solution which I have found to be of considerable advantage is made as follows. I take tWo (2) arts of Water and add thereto one (1) partofo aque glue of commerce. comparativey inexpensive and has considerable bo y yet comparatively little adhesive qualities. I heat this mixture in any desirable Way until itattainsf the consistency of heavy paste.v This paste is applied manually or mechanical] and roughly over the surface of the filled fa ric and left to dry. The surface 3 thus produced is rough and uneven; and While the adhesive material used in the mixture is sufficient to cause it to adhere to the filled fabric, it is insufficiently adhesive to enable the 'fabric thus far repared to readily adhere. If the filled su ace is polished the likehood of the mixture passing through is small; While its pasty condition Will substantially prevent rits absorption by,the lled. fabric. The purpose of applying the surface -3 is to form an irregular and uneven coating to the filled fabric to enable the nal finishing coat to take good hold and firmly afiix itself thereto, which the filled fabric Would not do satisfactoiily; and the coating 3 adhesive' coat passing throng the filled fabric. To reduce this finishing coat, I take refera lf) three (3) parts of Water, one (l part o hide glue one (1) part of fish glue ofl commerce, and a small quantity of glycerin, and reduce the same in the; -presence of heat to 7a freely flowing liquid mass.` liquid mass is4 then mechanically laid in a thin sheet or layer 4 to the vsurface .of the rough or binding coating 3, so that it Will enter into the'ridges or depres' sions or, other inequalities therein; and when dried leave a specially smooth exterior sur- The cloth may be then passed over heating rollers or other dryinginstrumentalities or assed through-pressing and calenllls to reduce the fabric to a final finishing coat, and thoroughly set all of the combined elements of the fabric togetherinto This form .of g ue 1sother methods.

revents the f compact mass.

coarse a compact' structure, 'such as is diagrammatically shown at 5, Fig. 4.

The characteristics of the fabric thus probe used upon Without necessitatin the employment of further adhesive; an Without causing the adhesive to pass through the fabric.- f

In fabrics of this class, so far as I knovv of them, the adhesive material, after the fabric has been applied in use, enters the fabric and fills up the mterstices and 4resents itself o n the ex osed side ofthe fa `ric, renderingit very 'flicult' in use; and 'where attempts have been made to stiflen the fabric the same has been done by an additional or imnecessary amount of highly adhesive material, which upon being wetted 'has caused its ex osed surface to become unduly adhesive.

t will be apparent that my process, and the article which results therefrom, overcomes in an economical and ex editious manner the objections in fabrics of t 's class produced by Therefore, it will be clear that myprocess in its'broad as ect can be carried out bydeparting from t e sequence of steps herein set forth, and that the kind and uality of materials employed can be varie in accordance with the requirements of each special-case, all without departing l from the spirit of my invention.

Having described my invention, I clarin: 1. The process of making a gummed cloth,

which consists in lling an open-mesh fabric,

aplying a rough-surface coating thereto, an

then applying a coating of adhesive material to the rough-surface coating.

2., .Theprocess of making a gu'uimed cloth,

which consists in g an open-meshfabric, polishing; the surface of the filled fabric, ap-

plying a rough-surface coating thereto, andV *l then ap' lying a yfinishing coating materia to the rough-surface coating.

3. The process o making agummed cloth,

of adhesive which consists in applying to a filled fabric a f rough-surface coating, drying the1same, ap plying to e rough-surface' coatingarsurface coating of adhesive' material, Athen 'reducing the said elements into a compact mass.`

4. A gumrned cloth, c'omprisinv a basic fabric of open-mesh material provided with a filler, a rough surface coating laid. on the basic fabric, and an adhesive .coating .laid 01;?

the rough coating, all beingl reduced, to.;

gummed cloth, comprising a basic fabric of open mesh material provided with a filler, a rou h surfac e coating of comparatively slight y adhesive material laid on the 5 basic fabric, and a polished coating of adhesive mat'erial laid on ing, all being reduced the rough surface coatto a compact mass.

6. A gummed cloth, comprising a basic fabric of open-mesh material provided with a 1o filler, a pasty and rou sisting of comparatl gh surfaced coating convely slightly adhesive material applied to the basic fabric, and a Huid nishin 4coat applied to the binding coat, the clot being compressed into a coms pzct'mass and polished on'the finish coat 15 s1 e.

Signed at the city, county and State of New York, this 15th day of Sptember, 1908.

EDWI G. LANG. Witnesses:

H. RADzrNsKY, GUs. I. ConoNow. 

